Hanna Instruments

Scientific Equipment

Coronavirus Update

Coronavirus update, statement & FAQs

Free Delivery

Most of mainland GB for orders over £50. Other charges may apply - see more

Hanna Care

We take the long view, looking after existing customers as much as delighting new ones!

One Click Purchase

No need to type in credit card or address details, pay in seconds on PayPal

HI-3838 Formaldehyde test kit

HI-3838 Formaldehyde test kit

HI-3838 Formaldehyde test kit

HI-3838 Formaldehyde test kit

Range: 0.00-1.00%
Includes reagents
£74.85 (exc. VAT) £89.82 (inc. VAT)

Formaldehyde is used in many industrial processes, such as maintenance of reverse osmosis plants.

Titration method.

Range of 0 to 1% and 0 to 10%.

HI-3838 Formaldehyde test kit information

Hanna's extended description

Formaldehyde Test Kit

The HI-3838 formaldehyde portable test kit makes monitoring easy, quick and safe. The design of the kit makes it practically impossible to spill the reagents, thereby reducing the possibility of injury or damage to property.



Formaldehyde concentration is determined by a simple acid titration. The formaldehyde, in the aqueous sample, reacts with Sodium Sulphite to form an alkaline product. This product is then titrated to a yellow alizarin R yellow endpoint, using a pre-standardised Hydrochloric Acid solution.



Order information

The HI-3838 test kit is supplied with the following:



  • 15 mL Alizarin Yellow R indicator
  • 30 g sodium sulphite
  • 120 mL titrant solution
  • Plastic spoon and plastic bottle
  • 10 mL calibrated vessel
  • Filter cartridge
  • Calibrated titration syringe and plungers


  • Specifications

    Specifications list

    Specifications

    Method Titration
    Range 0.00-1.00%
    0.0-10.0%
    Smallest Increment 0.01%
    0.1%
    Chemical Method Sodium Sulphite/Hydrochloric Acid
    Number of Tests approx. 110
    Weight 910 g

    Questions & Answers

    Got a question to ask? Use this form to submit your question.
    Question will be displayed after moderation.
    Name* Product Question*
    No questions yet?
    Don 't be shy, be the first to ask.